import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
import Welcome from '../components/Welcome'
import Users from '../components/user/Users'
import Roles from '../components/auth/Roles'
import Auths from '../components/auth/Auths'
import Orders from '../components/order/Orders'
Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/roles', component: Roles },
      { path: '/auths', component: Auths },
      { path: '/orders', component: Orders }
    ]
  }
]

const router = new VueRouter({
  mode: 'history',
  routes
})
router.beforeEach((to, from, next) => {
  // next 表示一个函数，放行 ，next（） 直接放行 ，next（'/login'）
  if (to.path === '/login') return next()
  const token = window.sessionStorage.getItem('token')
  if (!token) return next('/login')
  next()
})

export default router
